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经营范围
发明名称
Metal cleansing
摘要
申请公布号
US2261744(A)
申请公布日期
1941.11.04
申请号
US19370182631
申请日期
1937.12.30
申请人
RUSTLESS IRON AND STEEL CORPORATION
发明人
OSTROFSKY JAMES N.
分类号
C25F1/14
主分类号
C25F1/14
代理机构
代理人
主权项
地址
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